First step would be to get the Unlock Code for your HTC Cell Phone
We can provide you the unlock code.
Click/Copy link to get it: HTC One X Unlock Code

How to enter the Unlock Code?
1. Switch ON mobile with a not Allowed SIM Card.
2. Now phone will ask you to enter the unlocking code
3. Enter Unlock Code we send to you. (Click here to get your HTC One X Unlock Code)
4. Your phone is now unlocked.